layout.cs

是一个模拟ATM的程序

// Layout.cs created with MonoDevelop
// User: Estelle at 8:57 PM 5/9/2008
//
// To change standard headers go to Edit->Preferences->Coding->Standard Headers
//

using System;
using System.Collections;
using System.Windows.Forms;
using System.Drawing;

namespace ATM{
	
	/**
	 * In order to generate the user interface dynamically.
	 * I didn't use the visual editor. Instead, I wrote a layout class to constraint the controls
	 * just like Java does.
	 */
	public class TableLayout{
		private Form host;
		private int colWidth;
		private int rowHeight;
		
		private ArrayList cellConstraints;
		
		public struct Space{		
			public int left;
			public int right;
			public int top;
			public int buttom;
						
			public Space(int tp,int bm,int lt,int rt){
				top=tp;
				buttom=bm;
				left=lt;
				right=rt;
			}
		}
		
		public class CellConstraint:ICloneable{
			private Point position;
			public Point location{
				set{
					this.position=value;
				}
				get{
					return position;
				}
			}
			
			private Space _space;
			public Space space{
				set{
					this._space=value;
				}
				get{
					return _space;
				}
			}
			
			private Size fill;
			public Size size{
				set{
					this.fill=value;
				}
				get{
					return this.fill;
				}
			}
			
			public CellConstraint():this(0,0){}
			public CellConstraint(int cp,int rp){
				this.location=new Point(cp,rp);
				this.size=new Size(1,1);
			}
			
			public Object Clone(){
				CellConstraint cc=new CellConstraint(this.location.X,this.location.Y);
				cc.space=this.space;
				cc.size=this.size;
				return cc;
			}
		}
		
		public TableLayout(Form host,int col,int row){
			this.host=host;
			this.colWidth=(host.ClientSize.Width)/col;
			this.rowHeight=(host.ClientSize.Height)/row;
			this.cellConstraints=new ArrayList();
		}
		
		public void layout(){
			int i=0;
			foreach(CellConstraint cc in this.cellConstraints){
				try{
					Control ctl=host.Controls[i++];
					Space sp=cc.space;
					Size sz=cc.size;
					Point pos=cc.location;
					int x=pos.X*this.colWidth+sp.left;
					int y=pos.Y*this.rowHeight+sp.top;
					int width=this.colWidth*sz.Width-sp.left-sp.right;
					int height=this.rowHeight*sz.Height-sp.top-sp.buttom;
					ctl.Location=new Point(x,y);
					ctl.Size=new Size(width,height);
				}catch(ArgumentOutOfRangeException aoore){
					Console.Error.WriteLine(aoore.Message);
					break;
				}
			}
		}
		
		public void addCellConstraint(CellConstraint cc){
			this.cellConstraints.Add(cc);
		}
	}
}